#include <iostream>
#include <cstdio>
using namespace std;

int main(){
	double w,h,ans;
	cin>>w>>h;
	ans=w/(h*h);
	if(ans<18.5){
		cout<<"Underweight";
	}else if(ans>=18.5&&ans<24){
		cout<<"Normal";
	}else if(ans>=24){
		cout<<ans<<endl<<"Overweight";
	}
	return 0;
}
